*{
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
}
/* 中部导航栏 */
.middle_nav{
    background-color:rgb(234,234,234);
    width: 100%;
}
.middle_title{
    width: 80%;
    margin: auto;
    font-size: 13px;
    text-indent: 15px;
    padding-bottom: 20px;
}
.middle_title p{
    height: 30px;
    width: 100%;
    line-height: 30px;
    background-color: white;
}
.middle_title div{
    margin-top: 10px;
    overflow: hidden;
    background-color: white;
}
.middle_title div ul:nth-of-type(2){
    border-bottom: 1px solid #ccc;
    border-top: 1px solid #ccc;
}
.middle_title div ul{
    width: 98%;
    height: 50px;
}

.middle_title div ul li{
    float: left;
    width: 100px;
    line-height: 50px;
}
.middle_title div ul li:nth-of-type(1){
    width: 60px;
}
.middle_title div ul li:nth-of-type(2){
    background-color: rgb(136,0,11);
    color: white;
    height: 30px;
    width: 60px;
    margin-top: 10px;
    line-height: 30px;
    border-radius: 5px;
}

/* 综合排序 */
.sort{
    width: 100%;
}
.sort_nav{
    width: 80%;
    height: 40px;
    margin: auto;
    background-color: rgb(248,248,248);
    margin-top: 30px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
}
.sort_nav span{
    display: inline-block;
    width: 70px;
    height: 100%;
    line-height: 40px;
    text-align: center;
    border-right: 1px solid #ccc;
}
.sort_nav span:nth-of-type(1){
    width: 100px;
}
.sort_nav span:nth-of-type(2){
    background: url(../img/xia.png) no-repeat 55px 18px;
}
.sort_nav span:nth-of-type(3){
    background: url(../img/xiatwo.png) no-repeat 55px 18px;
}

.sort_picture{
    width: 80%;
    margin: auto;
    background-color: white;
    overflow: hidden;
}
.sort_picture ul li{
    width: 27%;
    border: 1px solid #ccc;
    margin: 17px;
    padding: 14px;
    float: left;
}
.sort_picture ul li img{
    width: 100%;
}
.sort_picture ul li div{
    width: 100%;
    height: 55px;
    text-indent: 10px;
    margin-top:6px;
}
.sort_picture ul li div p{
    line-height: 25px;
}
.sort_picture ul li div p span:nth-of-type(1){
    font-size: 15px;
    color: rgb(136,0,11);
}
.sort_picture ul li div p span:nth-of-type(2){
    font-size: 13px;
    color: #ccc;
    text-decoration:line-through;
}
.sort_picture ul li div button{
    width: 70px;
    height: 25px;
    color: white;
    background-color: rgba(96,0,0,0.3);
    border: none;
    border-radius: 3px;
    float: right;
    margin-right: -3px;
}
.sort_picture ul li div button:hover{
    background-color: rgb(87,0,0);
}